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China's broken grinding equipment from generic the soviet model, and gradually developed to self design, manufacturing various broken grinding equipment, to the 1960 s has formed series.Secondary cone crusher since the 1980 s, china's broken grinding equipment are growing rapidly, in addition to the developed by many new equipment outside, still has from the united states, germany, france and russia and other developed countries introduced part of the product design and manufacturing technology.Through the digestion and absorption, improve and innovation, and has formed the batch production ability,flotation separator is china's broken grinding equipment level of technology to step on to a new stage.At the same time, domestic production of all kinds of traditional broken grinding equipment in the structure and material also it had passed through the improvement or update, make equipment performance has improved, and a large increase in the variety specification, to form the different uses of crusher series and grinding machine series, basically satisfy the domestic and industrial department needs processing.

Its development and production has completely overcome the drawbacks of the previous immobile ones, and large breakers can move freely.Since our crusher requires high technology, the institute has invested huge research and development resources in its research and development.While learning advanced technologies, we also tried to make it suitable for any users according to their requirements.It is designed to serve customers with different needs.Its primary solution is to eliminate barriers brought to customers by broken sites, environment, basic complex configuration and complex logistics operations.Basing on the new concept principle of "processing the material near resource and destination", we provide customers with simple, efficient, low-cost hardware facilities for project operation.

Reformation and optimization of limestone crusher, limestone grinderlime stone has advantages of wide in originate, low in cost, diverse in use, thus, it is widely used in building material, industry, mining industry, and other industries.But it must used for crushing, grinding, milling, and further processing, only can display its maximum value.Limestone usually adopts hammer crusher, but traditional hammer crusher has some disadvantages, our technology department puts forward some advices on improvements, in view of disadvantages of hammer crusher, according to actual application:1.Prolong bar shelf with 160nm, which allows for additional 4 bars to be added to strengthendoing work area, timely discharge product with qualified granularity, reduce the phenomenon of over crushing, reduce the load of crusher, easy to advance production capacity.Limestone grinding mill processing plant2.The overall structure of top body frame can be reformed to split-casing structure, the structure is easy to maintenance and repair the rotors, which only needs to move the left section of splitting part away, that is pick rotors up.Attention must be paid while reforming, when splits top body frame, welds a pair of flanges, stress are requested to be removed.Changing radian of bar shelf from r520 to r510, reduces the gap between bar and hammer head, also easy to adjust bar shelf.There is enough room available for adjusting bar shelf when hammer head is worn.3.Fixing bar shelf and bar by bead welding.After bar shelf, bar are being installed and positioned, wear resistant bead welding rod is used to bear weld for reinforcing bar shelf, bead welding height of wearing working surface is up to about 5mm, meanwhile, bar is welded and fixed on bar shelf, which can prevent bar shelf from deforming, and bar from spilling out for fixing and protection.The improvement can greatly prolong the using time for bar shelf and bar, and reduce material consumption.4.Dynamic balance test to the rotor of hammer crusher should be carried out, balance hammer head should be installed, this improvement is an important way to solve vibration of hammer crusher.Integrates foundation of hammer crusher with drive electric motor, masonry with concrete to reinforce its anti-vibration performance, which can avoid foundation from being damaged, and guarantee the operational performance of hammer crusher.After being improved, the effect is very remarkable, especially for crushing limestone, wearing capacity of hammer head has been increased, utilization rate has been advanced, crushing production capacity has been improved, using time for bar shelf and bar has been prolonged.

The major crushing equipment are: jaw crusher, pew jaw crusher, pf impact crusher, pfw hydraulic impact crusher, cone crusher, mobile crusher, portable crusher and so on.

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